The profit of firm i is revenue minus cost. In a Nash equilibrium, each player is assumed to know the equilibrium strategies of the other players, and no one has anything to gain by changing only one's. In game theory, a subgame perfect equilibrium is a refinement of a Nash equilibrium used in dynamic games. Ele. Poker theory‎ (9 F). S. R. A strategy profile is a subgame perfect. To calculate the Nash equilibrium, the best response functions of the firms must first be calculated. For example. Role-playing game theory‎ (6 F). In general, the optimal theory dictates that the player is always making the decision that returns the most profit in the long run. Social value Ejemplo de Equilibrio de Nash Perfecto en [HOST] × ; 13 KB. In game theory, the Nash equilibrium (named after John Forbes Nash, who proposed it) is a kind of solution concept of a game involving two or more players. . In a non-Bayesian game, a strategy profile is a Nash equilibrium if every strategy in that profile is a best response to every other strategy in the profile;.